242567480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 562010400

約数和(自身を除く): 319442920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 353, 410, 419, 706, 820, 838, 1412, 1640, 1676, 1765, 2095, 2824, 3352, 3530, 4190, 7060, 8380, 14120, 14473, 16760, 17179, 28946, 34358, 57892, 68716, 72365, 85895, 115784, 137432, 144730, 147907, 171790, 289460, 295814, 343580, 578920, 591628, 687160, 739535, 1183256, 1479070, 2958140, 5916280, 6064187, 12128374, 24256748, 30320935, 48513496, 60641870, 121283740, 242567480]

約数ペア:

[(1, 242567480), (2, 121283740), (4, 60641870), (5, 48513496), (8, 30320935), (10, 24256748), (20, 12128374), (40, 6064187), (41, 5916280), (82, 2958140), (164, 1479070), (205, 1183256), (328, 739535), (353, 687160), (410, 591628), (419, 578920), (706, 343580), (820, 295814), (838, 289460), (1412, 171790), (1640, 147907), (1676, 144730), (1765, 137432), (2095, 115784), (2824, 85895), (3352, 72365), (3530, 68716), (4190, 57892), (7060, 34358), (8380, 28946), (14120, 17179), (14473, 16760)]